How to Achieve a Flush Threshold for Bi-fold Doors

[@crispindry]

This is a lovely concise explanation. Kudos.

[@granadavillas]

Thank you so much!!! I'm obsessed with your bi-fold doors and I won't have anything else - however, I'm facing drainage issues and this video is perfect. Now I know what to ask the general contractor to do.

[@kevinchu6658]

Well explained. This should also work for sliding doors. Thank you!

[@poloo92]

Great explication, very clear 👍

[@Originglobaluk]

Glad it was helpful!

[@markscarborough1018]

0:32 & 1:11 the upstand is on the sill side (outside) - incorrect? 1:20 the upstand is on the opposite side (inside) - correct? I'm here because I've got an upstand on the sill / outside and finally understood why I can't resolve leaks every time it rains. How could my Origin bifold door have been assembled this way?

[@DaveSaysYesh]

You have an open in bifold